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Prof. Hegemann erhält Wiley-Preis für Biomedizin

Entdeckung von lichtaktivierbaren Ionenkanälen wird gewürdigt

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Prof. Peter Hegemann, Professor für experimentelle Biophysik am Institut für Biologie der Humboldt-Universität, erhält zusammen mit Prof. Georg Nagel (Würzburg) und Prof. Ernst Bamberg (Frankfurt) den diesjährigen Wiley Prize in Biomedical Sciences für die gemeinsame Entdeckung von lichtaktivierbaren Ionenkanälen, den Channelrhodopsinen.

Ionenkanäle sind Transporter elektrisch geladene Teilchen, die Ionen, durch Membransysteme der Zelle. Sie werden reguliert durch Spannungsänderungen oder interne oder externe Signale. Rhodopsine sind spezielle Membranproteine, die als Lichtsensoren fungieren. Normalerweise steuern sie über biochemische Signalketten zelluläre Prozesse wie beispielsweise unseren Sehprozess.

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